Home / 81,705.99-112,757.16-45,895.23

Finding the Fourth Proportional to 81,705.99, 112,757.16 and 45,895.23

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Solution

The fourth proportional to 81,705.99, 112,757.16 and 45,895.23 is: 63,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,705.99 : 112,757.16 = 45,895.23 : x
  2. Step 2: Convert to fraction form
    81,705.99/112,757.16 = 45,895.23/x
  3. Step 3: Cross multiply
    81,705.99x = 112,757.16 × 45,895.23
  4. Step 4: Simplify right side
    81,705.99x = 5,175,015,792.35
  5. Step 5: Solve for x
    x = 5,175,015,792.35/81,705.99
  6. Step 6: Final answer
    x = 63,337.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.